The variation of reflectivity of TE-wave and TM-wave along with the incidence angles in first photonic bandgap was calculated when two kinds of medium with differ refractive index matter were adopted.

• 用特征矩阵方法得出了一维光子晶体的反射率计算公式,以/4波片堆为例,计算了当两种介质采用不同折射率的物质时,在第一光子禁带TE波及TM波的反射率随入射角的变化。